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Discontinued Operations - Summary of Major Business Line Items Included in Discontinued Operations in Condensed Consolidation Statements of Income/(Loss) and Comprehensive Income/(Loss) (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Jul. 31, 2025 | Jul. 31, 2024
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |
Income from discontinued operations, net of tax | $ 0 | $ 0

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